Liquid-turbidity indicator



July 7, 1925.

E. CROUSE LIQUID TURBIDITY INDICATOR Filed Nov.. 27, 1922' sh m m IIIH Emmy Grouse.

atfozucq Patented July 7, 1925.

UNITED STATES EMORY OBOUSE, OF WICHITA, KANSAS.

LIQUID-TURBIDITY INDICATOR.

Application filed November 27, 1922. Serial No. 603,468.

To all whom it may concern:

Be it known that I, EMORY CRoUsE, a citizen of the United States, residing at \Vichita, Kansas, in the county of Sedgwick and State of Kansas, have invented certain new and useful Improvements in Liquid- Turbidity Indicators; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the characters of reference marked thereon, which form a part of this specification.

This invention relates to an improvement in the construction of devices used for the dispensing of gasoline and lubricating oil.

It is customary at the present time to dis pense liquid fuel by means of an apparatus which requires that the liquid be first elevated into a transparent graduated measuring bowl which is usually constructed of glass. The fuel is then transferred through i a hose, by the action of gravity, to the fuel tank of the consumer. A dispensing apparat-us of the type referred to is shown and described in my co-pending application,

Serial Number 538,171, filed February 21, 1922, to which application reference may be had for the description of the apparatus as a whole. As my present invention relates only to the measuring bowl and parts directly associated therewith, I shall limit the present description and drawings, as well as the claims, to my specific improvement and such parts as necessarily co-operate Withit. I

It has been found from actual observation and experience that when a transparent glass bowl is-filled with gasoline, even of the clearest and purest available, it will appear to be more or" less turbid, with the result that it is'very difficult for the purchaser to distinguish between a good and an inferior grade of gasoline by its appearance only.v

It is the objectof this invention to, pro.- vide means whereby, the apparent turbidity of the best grade of gasoline will be eliminated and at the same time the real turbidity of poorer grades will still be apparent. This will then enable the purchaser to form a correct estimate of the quality of the fuel he is purchasing.

It is a further ob ect of this invention to improve the appearance of the dispensing a paratus and to reduce to a minimum the disturbance of the liquid surface in order that more accurate readings may be made.

I accomplish theabove results by the simple expedient of providing an opaque cylinder within the transparent glass bowl and spacing the same a short distance from the inner surface of the bowl. The outer surface of the-inside cylinder is preferably of such a nature that it will reflect the light. The result of this arrangement is that the liquid between the glass bowl and the refleeting surface will appear clear, unless it is actually turbid and'besides this, the arrangement accentuates the level line of the liquid so that it is more clearly visible, thus enablingthe operator to stop the flow with greater exactness with respect to the graduations. I

In order to more clearly describe my invention, I shall have reference to the accompanying drawing, in which Fig. 1 is a perspective view of the upper portion of a liquid dispensing device and shows the transparent graduated measuring bowl. I I

Fig. 2 is a perspective view of the graduated measuring bowl with parts thereof groken away so as to show the inner cylin- Fig. 3 is a transverse section taken on line 3-3, Fig. 2.

Fig. 4 is a. view showing a central vertical section of a glass bowl with a reflecting c linder in place therein, this View being fbr the purpose of showing a slight modification in the manner of .holding the cylinder properly spaced from the cylinder walls.

Fig. 5 is a section taken on line 55, Fig. 4.

Fig. 6 is a side elevation of the inside cylinder.

Fig. 6, and shows the manner in which the edges are joined; and.

Fig. 8 is a vertical section ,ofa modification in which the reflectingcylinder is employed in a device intended tobe used in devices for vending lubricating oil.

Fig. 7 is asection taken'on line 77,

The same reference numbers will be used p upon a cast-iron base 2 and is provided on top with a cap 3. The mechanism b which the gasoline is raised to the elevate tank 1 has been clearly described in my 00- ending application above referred to, an as it forms no part of the ap lication, it will not be described here. Wit in the glass cylinder 1 I place a cylinder 4 which is preferably made of aluminum, having the outer side polished so as to .be highly reflective. It is not necessary, however, to make the cylinder of aluminum, as any metal or other material that can be so prepared that it will have a reflecting surface, will serve the purpose and I may therefore use sheet cooper, which has one side nickel-plated and polished common tinor porcelain.

The cylinder 4 is preferably formed from a thin sheet bent into circular form, one edge being provided with two or more teeth 5 which engage one side of the opposing edge in the manner shown in Figs. 6 and 7. The outside of the cylinder 4 is smaller than the inside of the glass cylinder 1 and is concentric therewith. This leaves an annular space between the two. In order to pro erly center the reflectin cylinder within the glass cylinder I provide near each end thereof a plurality of screws 6 which project through the sides of the inside cylinder and engage the inner surface of the glass bowl. The screws 6 may be adjusted so as to center the inside cylinder in the bowl. It is evident that three screws spaced 120 degrees apart will be suflicient, but a greater number may-be used, and in Fig. 3 I have shown four space d 90 degrees apart; In-

stead of screws 6, I may provide each end of the cylinder with tongues 7 which are cut from the metal and bent outwardly so as to engage the inner surface of the bowl 1 (Figs. 4, 5, 6 and 7). When the reflecting cylinder is kept centered by means of the integral fingers 7, all danger of breakage of the glass bowl, d'ue to the unequal expansion of the metal and the glass, is avoided, as the fingers 7 will yield to comparatively slight pressure.

Although the arrangement shown in Figs. 1,2 and 3. is primarily designed to be used in connection with the dispensingof gasoline, it is evident that a similar arrangement can be used for dispensing lubricating oil. In the latter case, however, the parts can be made smaller, as smaller quantities are usually, sold.

It is oftentimes desirable tohave means incorporated in ai e, used for dispensing lubricating oil, who will enable one to see the oil as it flows through the pipe from the reservoir or tank to the measure. In Fig. 8 I have shown my. present invention embodied in a device that can be incorporated in any plpe and which will make the liquid vis blexas it flows. I take a glass tube 8, whole 'may be an desired size and length, but which we wil consider for the purpose of this description to be of about two (2) lnches outside diameter. Clamped against the ends thereof by means of bolts 9 are caps 10 which are spaced from the ends of the tube by rubber washersll, each cap being provided with a threaded opening 12 to which pipes may be attached. Within pipe 8 and spaced from the inner surface thereof is a reflecting cylinder 13 which is similar in construction and function to the cylinder 4 described above, and differs therefrom mainly in having the lower end closed by a conical or flat member 14 which may have a small hole therein for the purpose of permitting a limited amount of oil to flow throu h the tube. It isevident that if the assem ly of parts shown in Fig. 8 is connected in a line of pipe through which oil is forced to flow, that the greater portion of the oil .will flow throu h the annular space between the inner sur ace of the pipe 8 and the reflecting outer surface of the metal cylinder 13 in the manner indicated by the arrows. The light which passes through the oil and is reflected from the cylinder 13 enables the buyer to form a better opinion of the quality of the oil than-he could form by looking at it when drawn into a vessel.

From the above it is apparent that I have invented an improved liquid dispensing and clarifying apparatus that enables the purchaser to form a better judgment of the quality of the fuel dispensed and which also adds greatly to the appearance of the apparatus.

Having now described myinvention, what I claim is: I

1. A device fordispensing gasoline and for indicating turbidity, comprising, in combination, a transparent container having a reflecting niember located therein, spaced a short distance from the inside thereof and arranged in parallel relation therewith.

2. A device for dispensing gasoline in measured quantities and for indicating the turbidity thereof, comprising in combination, 'a tranparent graduated measuring bowl which ermits the position of the upper level of-t e gasoline to be observed, and a reflecting member located within the container. in substantial parallel relation with the wall thereof, the reflecting surface being spaced a short distance from the inner surface of the container.

Intestimony whereof I aflix m signature.

EMORY HOUSE. 

